Reagent Application Phosphate
AR-GR-Di Sodium Phosphate-12H2O
Analytical /Guaranteed reagent
Dodecahydrate type
It is used as buffering agent,Preparation of the medium for leptospirosis,hypokalemia determination
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Product Detail
Analytical /Guaranteed reagent Di Sodium Phosphate-Dodecahydrate type
Molecular formula: Na2HPO4-12H2O
CAS Number: 10039-32-4
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Properties
White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.52 g/cm3, melting point at 35℃
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Package
25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag,
Special mark could be Customized
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Specification
| No |
Specifications |
Guaranteed Reagent |
Analytical Reagent |
| 1 |
Assay ≥% |
99.0 |
99.0 |
| 2 |
PHValue（50g/L，25℃） |
9.1—9.4 |
9.1—9.4 |
| 3 |
Appearance of Solution |
Qualified |
Qualified |
| 4 |
Water Insoluble ≤% |
0.005 |
0.005 |
| 5 |
Chloride（Cl）, ≤% |
0.0005 |
0.001 |
| 6 |
Sulphate（SO4）, ≤% |
0.005 |
0.005 |
| 7 |
Nitrogen（N）, ≤% |
0.001 |
0.002 |
| 8 |
Arsenic（As），≤% |
0.00005 |
0.0005 |
| 9 |
Potassium（K）, ≤% |
0.005 |
0.01 |
| 10 |
Iron（Fe）, ≤% |
0.0005 |
0.0005 |
| 11 |
Heavy Metal（As Pb ），≤% |
0.0005 |
0.0005 |
